Name Zoledronic Acid Chemical Name [1-hydroxy-(1H-imidazol-1-yl)-phosphonoethyl] phosphonic acid monohydrate CAS 118072-93-8 Formula C5H10N2O7P2 Assay 99%min HPLC Molecular weight 290.10 Appearance White crystalline powder Related Substance f_0.5% Loss on drying f_0.5% Prevention of skeletal related events in patients with advanced malignancies involving bone 1kg/tin